Haus IT Service u. Vertrieb (Mentor GmbH)

Name

Haus IT Service u. Vertrieb (Mentor GmbH)

Legal name

Mentor GmbH

Website

https://haus-it.de

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Cloud Telephony & Business Telecommunications Services

NAICS

Computer Systems Design Services (541512), Computer Systems Design and Related Services (54151), Custom Computer Programming Services (541511)

SIC

Services-Telephone Interconnect Systems (7385), Telephone Communications (No Radiotelephone) (4813), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro industry

PRIMARYHDAIAHAB

Cloud PBX & Hosted Telephony

Hardware, Technology & Telecom/Telecommunications & Network Services/Unified Communications & Voice Services (VoIP, UCaaS)

SECONDARYBPAEABAK

Collaboration & Unified Communications Management (UCaaS/VoIP)

Business & Public Services/IT & Digital Services (Managed Services, Systems Integration)/Managed IT Services (MSP)

SECONDARYBPAEAAAK

Network, Infrastructure & Data Center Integration

Business & Public Services/IT & Digital Services (Managed Services, Systems Integration)/IT Consulting & Systems Integration

Keywords

• Cloud telephony services
• Business fiber internet
• AI communication solutions
• CRM ERP integration
• Managed telecom services

Headquarters

HQ city

Paderborn, North Rhine-Westphalia

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. Cloud Phone System Services: Ongoing service fees for cloud phone systems including setup, maintenance, support, and AI features. Revenue generated through recurring monthly fees combined with one-time setup charges. Services include number porting, user configuration, and system integration.
2. Business Internet & Fiber: Facilitation and implementation of business fiber internet connections through partner carriers. Includes availability checking, ordering, installation coordination, and ongoing service support for business connections ranging from 300 Mbit/s to 10 Gbit/s.
3. CRM/ERP Integration: Professional services for integrating phone systems with customer relationship management and enterprise resource planning systems. Includes analysis, implementation, and testing of CTI connections.
4. KI Solutions: AI-powered communication solutions including virtual receptionists, voice agents, and web chat. Implementation and configuration services plus ongoing AI service fees.
5. Project Management & Training: Consulting and training services for project management and digital transformation initiatives.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels8 records

Core offering

Haus iT Service & Vertrieb is a B2B telecommunications and IT services provider that sells, implements and supports cloud-based business phone systems (Placetel and Webex für Placetel), business fiber internet connections (via 1&1 Versatel), AI-powered communication solutions (KI-Telefonzentrale, KI-Webchat, AI Voice Agents), and CRM/ERP integrations (Oracle NetSuite, SAP). The company operates as a Platinum Partner of Placetel and certified partner of 1&1 Versatel, adding consulting, configuration, integration, and ongoing support as its primary value layer on top of partner platforms.

Product overview

Haus iT Service & Vertrieb (a business unit of Mentor GmbH, active since 2001) offers an integrated portfolio of cloud-based business communication solutions centered on Placetel cloud phone systems and Webex für Placetel, enhanced with AI capabilities through Placetel AI and KI products. The core offering combines cloud telephony (Placetel/Webex), fiber internet infrastructure (1&1 Versatel partnership), and AI-powered communication tools (KI-Telefonzentrale, KI-Webchat, AI Voice Agents). Supporting services include CRM/ERP integration (Oracle NetSuite, SAP), site networking (SD-WAN/MPLS), and project management consulting. The product architecture follows a platform-plus-modules approach where the Placetel cloud phone system serves as the foundation, with add-on AI modules (Placetel AI, voice agents, webchat) and integration services extending functionality.

Differentiator

Problem solved

Functional benefit

Brands

• Mentor GmbH: Parent legal entity under which Haus iT Service & Vertrieb operates as a business division

Quantifiable outcome

• Up to €4,900 digitization subsidy available for qualifying companies switching to modern cloud phone systems with AI

Named customers1 record

Segments8 records

Ideal customer profiles3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability7 records

Feature5 records

Partnerships

Six partnerships are on record, tiered strategic, core and minor.

• Red Cactus B.V.strategicStrategic or Co-development Partner · 1 February 2026Strategic partnership for professional system integrations. Red Cactus specializes in cloud telephony integrations. Together with Haus iT, they connect phone systems with CRM and ERP systems including SAP and Oracle NetSuite, reducing manual work and improving data quality for customers.
• PlacetelcoreChannel Partner/ Reseller/ Distributor · 1 April 2016Placetel is a cloud phone system provider (company of the Gamma Group). Haus iT is a Platinum Partner, the highest partnership level. This partnership has continued for over 10 years (since April 2016). Haus iT implements and supports Placetel solutions including UC-One, Webex for Placetel, and Placetel AI. Placetel hosts in redundant data centers in Germany with 99.9%+ availability.
• 1&1 VersatelcoreChannel Partner/ Reseller/ Distributor · 1 January 20111&1 Versatel is one of Germany's leading fiber providers offering business internet from 100 Mbit/s to 10 Gbit/s, site networking (SD-WAN/MPLS), cloud connections, SIP trunks, and tailored enterprise solutions. Haus iT has been a certified partner since 2011, providing availability checking, ordering, and full project management through to ongoing operation.
• VodafoneminorOthersListed as a substitution partner for situations where primary partners cannot serve specific customer requirements or geographic areas.
• Deutsche TelekomminorOthersListed as a substitution partner for situations where primary partners cannot serve specific customer requirements or geographic areas.
• Webex (Cisco)coreTechnology or IntegrationWebex Calling (Webex für Placetel) is a full-featured cloud phone system provided through the Placetel partnership. Haus iT implements Webex solutions including meetings, telephony, and AI capabilities as part of their communication solutions portfolio.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• nfon: nfon is a European (HQ Munich) cloud telephony/UCaaS provider competing for the same German mid-market and SMB customers with a similar subscription and channel partner model. Directly comparable on product category, target customer and pan-German sales motion.
• 3CX: 3CX is a software-based cloud PBX used widely in European SMBs and typically deployed via partners. Comparable on cloud PBX product, partner-led GTM, and small/mid-market target customer.
• Starface: Starface is a German cloud PBX/UCaaS vendor with comparable cloud-telephony-plus-integration positioning and a German Mittelstand customer focus. Comparable in product scope, customer target, and reliance on German channel/reseller partners.

Broad incumbents

• Placetel (Gamma Group): Placetel/Gamma Group is the platform vendor on which Haus iT's core cloud telephony offering is built. Comparable in cloud PBX/UCaaS product, but operates broadly as the underlying vendor rather than as a regional integrator.
• Deutsche Telekom: Deutsche Telekom is Germany's incumbent telecom operator offering business connectivity, SIP trunking, and now cloud communications. Comparable on connectivity + business telephony for German mid-market, but with vastly larger scale and direct enterprise reach.
• Mitel: Mitel is a global cloud and hybrid UCaaS vendor serving European SMB/mid-market customers. Comparable on cloud telephony product and channel-led GTM, but operates at much broader scale.
• Cisco (Webex Calling): Cisco/Webex Calling is the underlying global UCaaS platform Haus iT implements (Webex für Placetel). Comparable in product category and AI-enabled calling features, but operates as a global incumbent vendor across multiple enterprise tiers.
• 8x8: 8x8 is a global cloud UCaaS/contact-center incumbent serving European SMB and mid-market customers with overlapping AI-powered call automation. Comparable as a category competitor at the platform layer.
• Vodafone Business (Germany): Vodafone Business (Germany) provides enterprise connectivity, SIP, and cloud communications to German mid-market. Already a listed fallback partner for Haus iT, indicating overlap in joint customer deals and direct competition for the same B2B communications wallet.
• RingCentral: RingCentral is a leading global cloud UCaaS/CCaaS incumbent that competes in the same cloud telephony category and increasingly markets directly to German mid-market and enterprise customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@haus-it
• Facebookfacebook.com/hausit24
• LinkedInlinkedin.com/company/haus-it

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Haus IT Service u. Vertrieb (Mentor GmbH)